Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880513 | Method and apparatus for generating acid and base regenerants and the use thereof to regenerate ion-exchange resins | Donald J. Butterworth | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880513 | Method and apparatus for generating acid and base regenerants and the use thereof to regenerate ion-exchange resins | Donald J. Butterworth | 1989-11-14 |